GCU BIO-202 EXAM 2 100% PASS VERIFIED Questions
and Answers
what are the functions of an artery - Answermaintain blood pressure even when the
heart relaxes ; carries out blood
/.what are the functions of a vein - Answerreturns deoxygenated blood back into heart
/.what the functions of the arteriole - Answertransports blood from arteries to capillaries
/.what are the functions of the venue - Answera very small blood vessel, always allows
blood to return from capillary beds to drain into larger blood vessels.
/.what are the functions of the capillary - Answerthe smallest of blood vessels, they
distribute oxygenated blood from arteries to the tissues of the body and to feed
deoxygenates blood from the tissues back into the veins.
/.From outer to inner, 3 tunic (layers) of an artery - Answer1. Tunica adventitia
2. tunica media
3. tunica intima
/.What layer consists mostly of Smooth muscle? - Answertunica media
/.Why do larger veins have valves? - Answerprevent backflow
/.What is venipuncture? - Answerthe puncture of a vein as part of a medical procedure.
Typically to withdraw a blood sample or for an intravenous injection.
/.what is the name of the space in a blood vessel where blood flow? - Answerthe Lumen
/.explain the major difference between arteries and veins? - Answerarteries: has thicker
walls to maintain blood pressure
veins: have thinner walls
/.Describe the importance of the elasticity an artery? what happens to the elasticity as
one ages? How would this affect a person? - AnswerThe elasticity maintains blood
pressure even when the heart relaxes.
- when the heart ages the arteries becomes less elastic and they cannon relax as
quickly
and Answers
what are the functions of an artery - Answermaintain blood pressure even when the
heart relaxes ; carries out blood
/.what are the functions of a vein - Answerreturns deoxygenated blood back into heart
/.what the functions of the arteriole - Answertransports blood from arteries to capillaries
/.what are the functions of the venue - Answera very small blood vessel, always allows
blood to return from capillary beds to drain into larger blood vessels.
/.what are the functions of the capillary - Answerthe smallest of blood vessels, they
distribute oxygenated blood from arteries to the tissues of the body and to feed
deoxygenates blood from the tissues back into the veins.
/.From outer to inner, 3 tunic (layers) of an artery - Answer1. Tunica adventitia
2. tunica media
3. tunica intima
/.What layer consists mostly of Smooth muscle? - Answertunica media
/.Why do larger veins have valves? - Answerprevent backflow
/.What is venipuncture? - Answerthe puncture of a vein as part of a medical procedure.
Typically to withdraw a blood sample or for an intravenous injection.
/.what is the name of the space in a blood vessel where blood flow? - Answerthe Lumen
/.explain the major difference between arteries and veins? - Answerarteries: has thicker
walls to maintain blood pressure
veins: have thinner walls
/.Describe the importance of the elasticity an artery? what happens to the elasticity as
one ages? How would this affect a person? - AnswerThe elasticity maintains blood
pressure even when the heart relaxes.
- when the heart ages the arteries becomes less elastic and they cannon relax as
quickly
